Longitudinal changes in brain oxygen extraction fraction (OEF) in older adults: Relationship to markers of vascular and Alzheimer's pathology

Z Lin, C Lim, D Jiang, A Soldan… - Alzheimer's & …, 2023 - Wiley Online Library
Introduction Oxygen extraction fraction (OEF) reflects the balance between oxygen delivery
and consumption. We longitudinally measured OEF in older adults to examine the …

Brain oxygen extraction is differentially altered by Alzheimer's and vascular diseases

D Jiang, Z Lin, P Liu, S Sur, C Xu… - Journal of Magnetic …, 2020 - Wiley Online Library
Background Alzheimer's disease and vascular cognitive impairment (VCI), as well as their
concurrence, represent the most common types of cognitive dysfunction. Treatment …

Lower cerebral oxygen utilization is associated with Alzheimer's disease-related neurodegeneration and poorer cognitive performance among apolipoprotein E ε4 …

WH Robb, OA Khan, HA Ahmed, J Li… - Journal of Cerebral …, 2022 - journals.sagepub.com
Oxygen extraction fraction (OEF) and cerebral metabolic rate of oxygen (CMRO2) are
markers of cerebral oxygen homeostasis and metabolism that may offer insights into …

Brain oxygen extraction by using MRI in older individuals: relationship to apolipoprotein E genotype and amyloid burden

Z Lin, S Sur, A Soldan, C Pettigrew, M Miller, K Oishi… - Radiology, 2019 - pubs.rsna.org
Background Apolipoprotein E4 (APOE4) is a major genetic risk factor for late-onset
Alzheimer disease. However, the mechanisms by which APOE4 affects the brain …

Brain oxygen extraction and neural tissue susceptibility are associated with cognitive impairment in older individuals

GC Chiang, J Cho, J Dyke, H Zhang… - Journal of …, 2022 - Wiley Online Library
Abstract Background and Purpose We investigated the effects of aging, white matter
hyperintensities (WMH), and cognitive impairment on brain iron levels and cerebral oxygen …

Vascular and metabolic reserve in Alzheimer's disease

K Nagata, Y Kondoh, R Atchison, M Sato, Y Satoh… - Neurobiology of …, 2000 - Elsevier
Vascular and metabolic reserve were analyzed in probable Alzheimer's disease (AD) and
vascular dementia (VaD). Cerebral blood flow (CBF), cerebral blood volume (CBV), cerebral …

Reduced global brain metabolism but maintained vascular function in amnestic mild cognitive impairment

BP Thomas, M Sheng, BY Tseng… - Journal of Cerebral …, 2017 - journals.sagepub.com
Amnestic mild cognitive impairment represents an early stage of Alzheimer's disease, and
characterization of physiological alterations in mild cognitive impairment is an important step …

[HTML][HTML] Evaluation of whole-brain oxygen metabolism in Alzheimer's disease using QSM and quantitative BOLD

A Yang, H Zhuang, L Du, B Liu, K Lv, J Luan, P Hu… - NeuroImage, 2023 - Elsevier
Objective The objective of this study was to evaluate the whole-brain pattern of oxygen
extraction fraction (OEF), cerebral blood flow (CBF), and cerebral metabolic rate of oxygen …

[HTML][HTML] Application of calibrated fMRI in Alzheimer's disease

I Lajoie, S Nugent, C Debacker, K Dyson… - NeuroImage: Clinical, 2017 - Elsevier
Calibrated fMRI based on arterial spin-labeling (ASL) and blood oxygen-dependent contrast
(BOLD), combined with periods of hypercapnia and hyperoxia, can provide information on …

Oxygen metabolic stress and white matter injury in patients with cerebral small vessel disease

P Kang, C Ying, Y Chen, AL Ford, H An, JM Lee - Stroke, 2022 - Am Heart Assoc
Background: Chronic hypoxia-ischemia is a putative mechanism underlying the
development of white matter hyperintensities (WMH) and microstructural disruption in …